Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source
Patent
1995-07-03
2000-03-07
Mengistu, Amare
Computer graphics processing and selective visual display system
Display driving control circuitry
Display power source
345212, 364707, G09G 500
Patent
active
060346752
ABSTRACT:
An input interval of a keyboard of an input device is measured. The luminance of a display device is changed in accordance with the measured input interval of the keyboard.
REFERENCES:
patent: 5315695 (1994-05-01), Saito et al.
patent: 5381161 (1995-01-01), Sasaki et al.
patent: 5528268 (1996-06-01), Ni et al.
patent: 5589848 (1996-12-01), Shimizu
patent: 5737248 (1998-04-01), Kawasaki et al.
Costellia Jeffrey L.
Ferguson Jr. Gerald J.
Mengistu Amare
Semiconductor Energy Laboratory Co,. Ltd.
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